4605631 has 4 divisors (see below), whose sum is σ = 4613112. Its totient is φ = 4598152.

The previous prime is 4605617. The next prime is 4605641. The reversal of 4605631 is 1365064.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4605631 is a prime.

It is a super-2 number, since 2×4605631² = 42423673816322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4605596 and 4605605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4605641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2725 + ... + 4078.

It is an arithmetic number, because the mean of its divisors is an integer number (1153278).

Almost surely, 2^4605631 is an apocalyptic number.

4605631 is a deficient number, since it is larger than the sum of its proper divisors (7481).

4605631 is an equidigital number, since it uses as much as digits as its factorization.

4605631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7480.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 4605631 is about 2146.0733911029. The cubic root of 4605631 is about 166.3781840659.

The spelling of 4605631 in words is "four million, six hundred five thousand, six hundred thirty-one".